package br.nextfm.controller;

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import br.nextfm.dao.CategoriaDao;
import br.nextfm.model.Musica;

public class RemoveCategoria extends HttpServlet {
	private static final long serialVersionUID = 1L;

	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

		int id = Integer.parseInt(request.getParameter("id"));

		CategoriaDao dao = new CategoriaDao();

		if (dao.get(id).getMusicas() != null) {
			for (Musica musica : dao.get(id).getMusicas()) {
				musica.setCategoria(null);
			}
		}

		try { 

			dao.delete(id); 

			request.setAttribute("categorias", dao.getAll());
			request.getRequestDispatcher("categoria.jsp").forward(request, response);
		}

		catch (Exception e) {

			request.setAttribute("categorias", dao.getAll());
			request.getRequestDispatcher("categoria.jsp").forward(request, response);

		}
		
	}

}
